Mud pulse telemetry data modulation technique
US8302685B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2009 |
| Grant date | Nov 6, 2012 |
| Priority date | — |
| Expiry date | May 23, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A technique for communicating data within a wellbore is provided. In one embodiment, a method includes receiving digital data and encoding the digital data into symbols each representative of one or more data bits of the digital data. In this embodiment, the method also includes modulating the phase of an acoustic wave within the wellbore to represent the plurality of symbols, wherein modulating the phase of an acoustic wave includes changing the phase of the acoustic wave such that the acoustic wave includes smooth phase transitions between successive phases representative of the plurality of symbols. Various additional methods, systems, and devices are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.